Low severity · published Oct 22, 2026
CVE-2026-87953
SAML SSO - Service Provider - Moderately critical - Server Side Request Forgery - SA-CONTRIB-2026-151
New
3.3
CVSS
0.2%
EPSS
No
On KEV
Description
Server-Side Request Forgery (SSRF) vulnerability in Drupal SAML SSO - Service Provider allows Server Side Request Forgery. This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DR
Drupal · Drupal
0.0.0 before 3.2.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-87953
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-87953
www.drupal.org
https://www.drupal.org/sa-contrib-2026-151
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